using System.Net.Mail; using System.Text.RegularExpressions; namespace IOL.Helpers; public static class Validators { private static readonly Regex _norwegianPhoneNumber = new(@"^(0047|\+47|47)?[2-9]\d{7}$"); public static bool IsValidEmailAddress(this string value) { return MailAddress.TryCreate(value, out _); } public static bool IsValidNorwegianPhoneNumber(this string value) { return _norwegianPhoneNumber.IsMatch(value); } }